3931289396013 has 24 divisors (see below), whose sum is σ = 6239312653728. Its totient is φ = 2194208031456.

The previous prime is 3931289395991. The next prime is 3931289396029. The reversal of 3931289396013 is 3106939821393.

It is not a de Polignac number, because 3931289396013 - 2¹³ = 3931289387821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931289396213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310964206 + ... + 310976847.

It is an arithmetic number, because the mean of its divisors is an integer number (259971360572).

Almost surely, 2^{3931289396013} is an apocalyptic number.

It is an amenable number.

3931289396013 is a deficient number, since it is larger than the sum of its proper divisors (2308023257715).

3931289396013 is a wasteful number, since it uses less digits than its factorization.

3931289396013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621941113 (or 621941106 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 57.

The spelling of 3931289396013 in words is "three trillion, nine hundred thirty-one billion, two hundred eighty-nine million, three hundred ninety-six thousand, thirteen".